Courtyard by Marriott Nashville Airport. The newly renovated Courtyard Nashville Airport Hotel is located less than 2 miles from Nashville International Airport (BNA), offering complimentary airport shuttle service and convenient access to the city's most popular attractions like the Grand Ole Opry and area businesses.
Physical dependence on drugs is marked by growing tolerance of a drug's effects, so that increased amounts of the drug are needed to obtain the desired effect, and by the onset of withdrawal symptoms over periods of prolonged abstinence.hysical dependence on drugs is marked by growing tolerance of a drug's effects, so that increased amounts of the drug are needed to obtain the desired effect, and by the onset of withdrawal symptoms over periods of prolonged abstinence.
This is one of the psychological effects of drug addiction involved in craving of the drug. Craving is an effect of drug addiction whereby the addict is obsessed with obtaining and using the drug, to the exclusion of all else.One of the psychological effects of addiction involved in craving is the belief the addict cannot function or handle life without use of the drug.Other psychological effects of drug addiction include: 3. 1  Wild mood swings, depression, anxiety, paranoia, violence.sychological Effects of Drug Addiction. The psychological effects of drug addiction come from the reason the user is addicted to drugs, as well as the changes that take place in the brain once a person becomes a drug addict.